Ursus 4502
The Ursus 4502 is an orchard/vineyard tractor built by Ursus in Warsaw, Poland. It features a 3.9L 4-cylinder liquid-cooled diesel engine producing 59.1 hp (44.1 kW) with a PTO rated at 53.1 hp (39.6 kW). The tractor offers an 8-speed transmission with a 12-speed creeper option, mechanical rear differential lock, power steering, and mechanical drum brakes. It has a two-post ROPS with an optional cab with heat. The tractor's dimensions include a wheelbase of 88.8 inches (225 cm), length of 148 inches (375 cm), width of 56.1 inches (142 cm), and height of 99 inches (251 cm) with the cab. It weighs 4938 lbs (2239 kg) and can be ballasted to 5535 lbs (2510 kg). The hydraulic system has a capacity of 11.1 gallons (42.0 L) with a pressure of 2321 psi (160.0 bar) and pump flow of 6.9 gpm (26.1 lpm). Fuel capacity is 21.1 gallons (79.9 L). The tractor hitch is category II with position and draft control and a rear lift capacity of 2932 lbs (1329 kg). Electrical system includes a 12-volt alternator charging at 44 amps and a 90 AH battery.
Power59 hp
Foundedunknown
Model4502
Technical Specifications
Detailed specifications and technical data for Ursus 4502
Power
| Engine | 59.1 hp (44.1 kW) |
|---|---|
| PTO (claimed) | 53.1 hp (39.6 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Ursus 4390 |
| Power | 59.1 hp (44.1 kW) |
| Torque | 171.1 lb-ft (232.0 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Rated RPM | 2000 |
| Torque RPM | 1500 |
| Air cleaner | oil bath |
| Bore/Stroke | 3.87x5.00 inches (98 x 127 mm) |
| Compression | 16:1 |
| Fuel system | direct injection |
| Pre-heating | glow plugs |
| Displacement | 235.9 ci (3.9 L) |
| Oil capacity | 7.4 qts (7.0 L) |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
| Coolant capacity | 14.7 qts (13.9 L), 16.4 qts (15.5 L) with cab heater |
Capacity
| Fuel | 21.1 gal (79.9 L) |
|---|---|
| Steering | 1.9 qts (1.8 L) |
| Hydraulic system | 11.1 gal (42.0 L) |
Dimensions
| Width | 56.1 inches (142 cm) |
|---|---|
| Length | 148 inches (375 cm) |
| Weight | 4938 lbs (2239 kg) |
| Wheelbase | 88.8 inches (225 cm) |
| Rear tread | 38.8 inches (98 cm) |
| Front tread | 43.7 inches (110 cm) |
| Height (cab) | 99 inches (251 cm) |
| Ballasted weight | 5535 lbs (2510 kg) |
| Clearance (drawbar) | 11.4 inches (28 cm) |
| Standard tires (ag) | Front: 6.50-16. Rear: 12.4-28 |
| Clearance (rear axle) | 13.6 inches (34 cm) |
Electrical
| Battery AH | 90 |
|---|---|
| Battery volts | 12 |
| Charging amps | 44 |
| Charging volts | 12 |
| Charging system | alternator |
Hydraulics
| Capacity | 11.1 gal (42.0 L) |
|---|---|
| Pressure | 2321 psi (160.0 bar) |
| Pump flow | 6.9 gpm (26.1 lpm) |
| Steering capacity | 1.9 qts (1.8 L) |
Mechanical
| ROPS | Two-post ROPS. Cab optional with available heat. |
|---|---|
| Drive | Two-wheel drive |
| Brakes | Mechanical drum brakes |
| Power steering | Yes |
| Differential lock | mechanical rear |
Production
| Type | Orchard/Vineyard tractor |
|---|---|
| Built in | Warsaw, Poland |
| Manufacturer | Ursus |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Clutch | 305mm dry disc |
| Options | 8-speed, 12-speed creeper |
| Oil capacity | 44.4 qts (42.0 L) |
| Creeper transmission | 12 forward and 4 reverse |
Tractor hitch
| Control | Position and draft control |
|---|---|
| Rear Type | II |
| Rear lift | 2932 lbs (1329 kg) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@1686 |
| Rear PTO Type | 540 (1.375) |
